Game: Modern Warfare 4MW4

ZLR Competition-B6 attachment in MW4

BoltLight Bolt

The ZLR Competition-B6 is a bolt attachment (“Light Bolt”) that community sites list for one weapon: Rezi 12. CODMunity lists no stat change for it, which does not mean it changes nothing. It is in 2 popular builds that CODMunity lists.

Community-reportedggranked and CODMunity, read . Unverified, not Activision data.

Weapons that can equip the ZLR Competition-B6

Activision publishes no compatibility list; 2 community sources report this weapon. No weapon level is reported.

Weapons that can equip the ZLR Competition-B6, with weapon level and the stats the source lists a change for
WeaponClassWeapon levelStats with a listed change
Rezi 12Shotgunnot reportedNo change listed

What the ZLR Competition-B6 changes

CODMunity lists no stat change for the ZLR Competition-B6 on any weapon it is reported on. The list can be incomplete, so this does not show that the attachment changes nothing. It has a page because a popular build uses it.

Pros and cons the sources list

None reported, which is different from having none.

Popular builds that use the ZLR Competition-B6

CODMunity lists 2 popular builds that use it, all for Multiplayer. The styles are Mobility and Versatile. The same builds also use muzzle, barrel, rear grip, stock, and laser attachments.

Popular builds that use the ZLR Competition-B6
WeaponMode and styleTierOther attachmentsBuilder
Rezi 12Multiplayer, MobilityVery goodMuzzle: FTAC LTS-707, Barrel: Haebang 635R-7, Rear Grip: XRK Bygone-39, and Stock: No StockOpen in the builder: Rezi 12, Mobility
Rezi 12Multiplayer, VersatileVery goodMuzzle: Sakin Omega 13, Barrel: Haebang 635R-7, Stock: ZLR TAC12 Pro, and Laser: XRK Clutch-LSOpen in the builder: Rezi 12, Versatile

Builds are community-reported and unverified.

Frequently asked questions

What does the ZLR Competition-B6 do in MW4?

No stat change is listed for it, so what it does is unknown. Activision has not published a description for this attachment type.

Which weapons can use the ZLR Competition-B6?

Community sites list Rezi 12. Activision has not published a compatibility list.

Is the ZLR Competition-B6 in a popular build?

Yes. CODMunity lists it in 2 popular builds, on Rezi 12.

Sources: ggranked (read October 28, 2026); CODMunity (read October 28, 2026). Updated .